Fangrui Product Details Compatibility: These O-rings Are Specifically Designed To Fit Breville Espresso Machines Models Bes900, Bes920, Bes980, And Bes990. Each Pack Contains 17 Pieces, Ensuring You Have The Exact Replacements Needed For Maintenance. Premium Material: Crafted From High-quality, Food-grade Silicone, These O-rings Are Bpa-free, Ensuring Safety And Durability. They Are Engineered To Withstand Continuous Use In High-temperature Environments Typical Of Espresso Machines. Comprehensive Set: This Kit Includes 5 Large Blue O-rings For Steam Or Water Level Probes And 12 Small Red O-rings For Soft Connection Tubes Or Ntc Probes, Covering All The Critical Sealing Needs Of Your Breville Espresso Machine. Easy Installation: These O-rings Are Designed For Hassle-free Installation, Allowing You To Quickly Worn Or Damaged Seals Without The Need For Professional Help. Their Flexibility And Size Accuracy Ensure A Fit Every Time. Enhanced Performance: Regular Of O-rings Can Prevent Leaks And Ma